DERIVATI 5-((HALOFENIL)-3-HALO-PIRIDIN-2-IL)-NITRILA KAO INTERMEDIJARI U PRIPREMI DERIVATA [(5-(HALOFENIL)-3-HIDROKSIPIRIDIN-2-KARBONIL)-AMINO] ALKANSKE KISELINE
The present invention relates to 5-aryl or 5-heteroaryl substituted 3-hydroxypyridin-2-yl-carbonylamino-alkanoic acid derivatives and salts thereof as well as to their preparation from the respective 3-hydroxy-picolinic acid derivatives. The final compounds are prolyl hydroxylase inhibitors.